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Abstract
Wrist-worn devices enable access to essential information and they are suitable for a wide range of applications, such as gesture and activity recognition. Wrist-worn devices require appropriate technologies when used in sensitive areas, overcoming vulnerabilities in regard to security and privacy. In this work, we propose an approach to recognize wrist rotation by utilizing Visible Light Communication (VLC) that is enabled by low-cost LEDs in an indoor environment. In this regard, we address the channel model of a VLC communicating wristband (VLCcw) in terms of the following factors. The directionality and the spectral composition of the light and the corresponding spectral sensitivity and the directional characteristics of the utilized photodiode (PD). We verify our VLCcw from the simulation environment by a small-scale experimental setup. Then, we analyze the system when white and RGBW LEDs are used. In addition, we optimized the VLCcw system by adding more receivers for the purpose of reducing the number of LEDs on VLCcw. Our results show that the proposed approach generates a feasible real-world simulation environment.
Originalsprache | englisch |
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Titel | 2022 International Conference on Broadband Communications for Next Generation Networks and Multimedia Applications (CoBCom) |
Herausgeber (Verlag) | ACM/IEEE |
Seiten | 1-8 |
Seitenumfang | 8 |
ISBN (Print) | 978-1-6654-8599-9 |
DOIs | |
Publikationsstatus | Veröffentlicht - 14 Juli 2022 |
Extern publiziert | Ja |
Veranstaltung | 4th International Conference on Broadband Communications for Next Generation Networks and Multimedia Applications: CoBCom 2022 - TU Graz, Graz, Österreich Dauer: 12 Juli 2022 → 14 Juli 2022 |
Konferenz
Konferenz | 4th International Conference on Broadband Communications for Next Generation Networks and Multimedia Applications |
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Kurztitel | CoBCom 2022 |
Land/Gebiet | Österreich |
Ort | Graz |
Zeitraum | 12/07/22 → 14/07/22 |
Schlagwörter
- Wrist
- Privacy
- Sensitivity
- Receivers
- Light emitting diodes
- Security
- Photodiodes
Fields of Expertise
- Advanced Materials Science
- Information, Communication & Computing
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